Attachment for writing implements



April 23, 1929. s. PEARSON ATTACHIBNT FOR WRITING IIPLIIBITS Filed Sept. 1927 v 111111111 II J'wazz Pearson,

Patented Apr. 23, 1929.

UNITED STATES PATENT OFFICE.

SWAN PEARSON, OF YOUNGSTOWN, OHIO, ASSIGNOR 0']? ORE-HAL!" TO 050A! L. 60513- DAY, OF YOUNGSTOWN, OHIO.

ATTACHMENT FOR WRITING IMPLEMENTS.

".llhis invention relates to an attaehu'ient for writing implements.

One object of the invention to provide a simple. inexpensive, durable, etfeet ive and ornaincnlal device of the nature stated, cinbodying among other characteristics, a mean ber adapted for the support or suspension of the device from the \vearers pocket. and which member performs also the function of a hand grasping piece to manipulate one of the elements of the device and constructed to exert such rosietance to accidental move. ment of such element as to require the manual movement thereof against the resistance offered thereby. I

Another object of the invention resides in the provisiim of a device cin'istructed to be readily attached to a Writing implement or to have the latter attached thereto and includinp a sheath and a cutting clement normally confined therein and. arranged for projection tlnn'etroin by means adapted also for the purpose of supporting or suspending the device from agarment of the user.

A still further object of the invention is to provide a combination device including a writing implement holding part, a sheath. a blade normally confined within the sheath and adapted to be projected therefrom and supported thereby for use, means whereby to support the device from a garment of the user when not in use and connected with the blade to projectand retract the latter with relation to the sheath, and measuring grnijlio ations carried by the sheath.

With the above and other objects in view. the invention consists in the conetruction and novel combination and arrangnunent of parts hereinafter fully described. illustrated in the accompan vin drawings and pointed out in the claims hereto appended. it being undcrstood that various changes. in the form. proportion and minor details of construction, within the scope of the claims. may be re. sorted to without departing: from the s iirit 0r sacrificing any of the advantages o the invention.

In the drawings:

Fig. 1 is a perspective view ofi'he in vention. p

Fig. 2 he a plan View of the front of the device, i1luatratinu the blade projected and the device removed from the pencil.

Fig, 3 is an enlarged longitudinal acctional view on the line 3*?) of Fig. 1.

Fig. 1 is :1 plan view of the rear side of the device applied to a pencil and showing the graduated measuring scale.

Referring now more partieularly to the ac companying drawing. the reference (.hMflC ter 5 indicates, generally, the present iuvention, which is composed preferably ofohoet metal folded lon itudinally upon itself to provide at one nit e a relatively flat, shallow open ended sheath 6 and a sleeve 7 at its opposite side to receive a pencil 8 or other writing on lenient which is adapted to fit snugly in t e sleeve, but which may be with drawn therefrom when desired, the sleeve being at intervals, notched as indicated at 9, to render the same more or less: flexible so es to accommodate writing implements of (lib ferent cross sectional diameters;

The sheath is provided on one side with a longitudinal slot 10, which terminates at its ends ad'acent the ends of the sheath, the

ends 11 an 12 of the slot forming stops for a purpose presently explained.

A knife blade 13 is slidable in the sheath and adapted to be projected therefrom through one open end of the sheath and! be retracted readily. To this end, there: is a member consisting of a hook 141 and. a shank 15 couneoted to the blade, within plate 18' therebet veen. Two screws 16,

work through openings 17 in said shank 15 t the top ed ge of a pocket of a garment where by the use! may readily support or carry the devioe on his person. The book has still another function in that it provides a grasping piece whereby to project and retract the blade with relation to the sheath. Still another function is attributed to this hand grasping supporting hook and this banner: in the deflection of the back oftho book, as atwll), the deflected backbeing normally ofleet with relation to the slotted face Oitllfi Ill! sheath. resulting in the deflected back, upon movement of the hook member to project the blade. to ride up over the end of. the sheath and against and upon the slotted face at the sheath; creating spring pressure which resists slightly the outward thrust of the blade, thereby preventing accidental projection ot the blade when the device is supported from the \\'earei"s pocket and yet permitting ready manual rear ard projection ot the blade against the slightresistance.

The shank 15 has its inner portion of a width to ride along the slotted face of the sheath adjacent the longitudinal edges of the slot 1O as does also the back of the said hook. The shank tapers at its free end beyond said fastening screws 16 to a width substantially the width of the slot 10 of the sheath and slides in the slot and at its extremity it is folded back upon itself to form a shoulder 17 which is adapted to ride over the stop 11 ot the slot 10 slightly beyond the adjacent end. of the sheath to slightly resist inward movement of the blade when the latter is retracted. The plate 18' at one end engages the stop 11 to arrest and limit outward projection of the blade and to position said shoulder of the shank atthe adjacent end of the sheath when the blade is projected. The other end of the plate 18 is adapted to engage the other stop 12 of the slot 10 to arrest and limit the inward movement of the blade. The face of the slotted side oi the sheath adjacent each end of the slot is beveled, as at 20 and 21, to facilitate movement of the deflected back of the hook and shoulder 17 over the respective stops formed at the ends of the slot 10.

The side of the sheath opposite the side in which the slot 10 is formed is provided with measuring graduations 22 of any suitable character. and it will be understood that the finished article is nickled or otherwise highly polished to give ornamentation to the device. "From the foregoing, it will be seen that the deflected back of the hook 14 resists slightly the movement of the hook up onto the slotted face of the sheath and that when forcedupon the slotted face of the sheath, the shank 15 between the hook and the fastening screws 16, is slightly bowed, as at 23, effecting spring pressure between the hook and sheath, and the blade being connected to l'lXESlltHilI there a slight manual threat necessary to project and retract the blade, thus preventing aecitental slippinginoven'ient of the blade. It will also be apparent that the shoulder at the free end oi? the shank otl'ers rcsitnnce to retraction of the blade.

What is claimed is:

1. An attachment for writing implements comprising a piece of sheet; metal folded longitudinally upon itself to provide at one side a relatively shallow open ended sheath and at its other side a sleeve to receive a. writing im neinent, oneside ot the sheath having a longitudinal slot therein, a blade slidable in the sheath through one. end thereot. and a combined su] )porting hook member and shank detachablv connected intermediate of its ends to the blade through said slot and arranged tor slid-able movement on the Slfitlittl side oi the shealh whereby to project the blade from the. sheath or to retract the blade into the, sheath. the fastening connection between the hooked element and the blad being engageable with the ends of said slot to limit the inward and outward movei'nent f the blade and the combined hook and shank member yieldingly engaging the slotted face of the sheath on opposite sides ot said connection between the same and the blade to thereby give trictional resistance to the movement of the blade.

2. An attachment for writing implements comprising a piece of sheet metal folded longitudinally upon i self to provide at one side a relatively shallow open ended sheath and at its other side a sleeve to receive a writing ii'nplement. one side ot the sheath having a longitudinal slot therein, blade slidable in the sheath through one end thereof, a member connected to said blade including a hook and shank arranged tor slidable movement along the longitudinal edges of said slot whereby to project the blade from the sheath through one end thereof and to retract the blade into the sheath. said hook lying normally beyond the. inner end of the sheath and being dellectezl to cause the back thereof to ride upon and trictionally engage the inner end of the sheath to slightly resist outward movement of the member and consequent projection of the blade whereby to prevent accidental projection of the blade from the sheath, the sheath having measuring graduations thereon and said sleeve being notched to reni'ler the sleeve flexible to receive writing implements of different cro ctional diameters.

3. An attachment or writing implements comprising a sheath. and a sleeve. the l: lter to receive the writing implement. the sheath having a longitudinal. slot in one side thereof, a blade slidable in the sheath through one end thercot, a mem iier eonsisting of a hook and a shank connected to said blade through said slot, the hook forming a supporting elen'ient for the attachment and also forming a hand grasping piece whereby to project or retract said blade with relation to the sheath, said hook lying normally beyond the inner end of the sheath and adapted to ride upon the inner end of the sheath and exert pressure against the slotted face of the sheath to thereby give frictional resistance to the movement of the same and the blade during manual manipulation thereof.

4. An attachment for writing implements comprising a sheath and a sleeve. the latter to receive the writing implement. the sheath having a longitudinal slot in one side thereof, a blade normally confined within the sheath and slidable in the sheath through the outer end thereof, a member consisting of a hook and a shank connected to said blade through said slot, the hook forming a supporting element for the attachment and also forming a hand grasping piece whereby to project or retract said blade with relation to the sheath, said hook lying normally beyond the inner end of the sheath and adapted to yield and ride upon the sheath to yieldably slide thereon to give frictional resistance to the movement of the same and the blade during outward movement of the blade, the free end of the shank being reduced in width and movable in the slot of the sheath and adapted to yield and ride out of the slot on to the outer end of said sheath and engage the outer surface of the sheath to thereby frictionally resist inward and also outward movement of the blade, the connection between the hookshank member and the blade being engageable with the opposite ends of said slot to limit inward and outward movement of the blade. I

5. An attachment for writing implements comprising a sheath and a sleeve, one side of the sheath having a longitudinal slot therein, a blade normally confined within the sheath and slidable through the outer end of the sheath, and means, including a hook and a shank, the latter connected to the blade through said slot, for sliding the blade out of and into the sheath, said hook lying normally beyond the inner end of the sheath and adapted to yieldingly ride upon and over the inner end of the sheath and slide upon the slotted face of the sheath, exerting frictional resistance to the outward movement of the blade, the said shank at its outer end lying normally within said slot against the blade and upon reaching the outer end of the slot during outward movement of the blade yieldingly riding over the outer end of the slot on to the face of the sheath to give frictional resistance to the out-ward movement of the blade and also to thereby offer frictional resistance to an inward movement of the blade.

6. An attachment for writing implements comprising a sheath and a sleeve, one side of the sheath having a longitudinal slot therein, a blade normally confined within the sheath and slidable through the outer end of the sheath, and means, including a hook and a shank, the latter connected to the blade through said slot. for sliding the blade out of and into the sheath, said hook lying nor mally beyond the inner end of the sheath and adapted to yieldingly ride upon and over the inner endof the sheath and slide upon the slotted face of the sheath, exerting frictional resistance to the outward movement of the blade, the said shank at its outer end lying normally within said slot against the blade and uponreaching the outer end of the slot during outward move mentof the blade yieldingly riding over the outer end of the slot on to the face of the sheath to give frictional resistance to the outward movement of the blade and also to thereby offer frictional resistance to an inward movement of the blade, the free end of said shank being folded back upon itself to form a shoulder adapted to lie against the outer end of the sheath when the blade is fully projected.

7. An attachment for writing implements comprising a sheath and a sleeve, one side of the sheath having a longitudinal slot therein, a blade normally confined within the sheath and slidable through the outer end of the sheath, and means, including a hook and a shank, the latter connected to the blade through said slot, for sliding the blade out of and into the sheath, said hook lying normally beyond the inner end of the sheath and adapted to yieldingly ride upon and over the inner end of the sheath and slide upon the slotted face of the sheath, exerting frictional resistance to the outward movement of the blade, the said shank at its outer end lying normallywithin said slot against the blade and upon reaching the outer end of the slot during outward movement of the blade yieldingly riding over the outer end of the slot on to the face of the sheath to give frictional resistance to the outward movement of the blade and also to thereby offer frictional resistance to an inward movementof the blade, the free end of said shank being folded back upon itself to form a shoulder adapted to lie against the outer end of the sheathwhen the blade is fully projected, the connection between the hook and shank and the blade being located to engage the ends of the slot in the sheath, interchangeably, to limit the inward and outward movements of the blade.

In testimony whereof, I have hereunto set my hand.

SWAN PEARSON. 

